./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:56:22,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:56:22,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:56:23,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:56:23,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:56:23,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:56:23,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:56:23,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:56:23,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:56:23,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:56:23,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:56:23,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:56:23,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:56:23,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:56:23,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:56:23,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:56:23,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:56:23,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:56:23,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:56:23,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:56:23,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:56:23,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:56:23,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:56:23,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:56:23,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:56:23,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:56:23,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:56:23,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:56:23,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:56:23,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:56:23,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:56:23,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:56:23,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:56:23,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:56:23,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:56:23,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:56:23,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:56:23,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:56:23,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:56:23,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:56:23,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:56:23,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 18:56:23,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:56:23,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:56:23,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:56:23,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:56:23,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:56:23,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:56:23,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:56:23,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:56:23,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:56:23,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:56:23,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:56:23,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:56:23,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:56:23,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:56:23,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:56:23,064 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:56:23,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:56:23,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:56:23,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:56:23,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:56:23,064 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:56:23,065 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:56:23,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:56:23,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:56:23,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:56:23,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:56:23,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:56:23,065 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:56:23,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:56:23,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:56:23,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 [2022-12-14 18:56:23,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:56:23,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:56:23,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:56:23,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:56:23,242 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:56:23,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-12-14 18:56:25,935 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:56:26,081 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:56:26,082 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-12-14 18:56:26,085 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/data/ca18a8f5f/1583596fda07427aa80d54d8e0cd0c5e/FLAG6081999f3 [2022-12-14 18:56:26,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/data/ca18a8f5f/1583596fda07427aa80d54d8e0cd0c5e [2022-12-14 18:56:26,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:56:26,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:56:26,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:56:26,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:56:26,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:56:26,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d21af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26, skipping insertion in model container [2022-12-14 18:56:26,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:56:26,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:56:26,234 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-12-14 18:56:26,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:56:26,243 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:56:26,253 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-12-14 18:56:26,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:56:26,263 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:56:26,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26 WrapperNode [2022-12-14 18:56:26,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:56:26,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:56:26,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:56:26,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:56:26,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,289 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-12-14 18:56:26,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:56:26,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:56:26,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:56:26,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:56:26,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:56:26,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:56:26,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:56:26,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:56:26,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:56:26,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:56:26,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:56:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:56:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:56:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:56:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:56:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:56:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-12-14 18:56:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-12-14 18:56:26,406 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:56:26,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:56:26,480 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:56:26,498 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:56:26,498 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:56:26,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:56:26 BoogieIcfgContainer [2022-12-14 18:56:26,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:56:26,501 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:56:26,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:56:26,509 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:56:26,509 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:56:26" (1/1) ... [2022-12-14 18:56:26,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:56:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-12-14 18:56:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-14 18:56:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:56:26,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:26,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:26,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-12-14 18:56:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 18:56:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:56:26,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:26,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-12-14 18:56:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 18:56:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:56:26,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:26,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2022-12-14 18:56:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-14 18:56:27,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:56:27,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:27,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2022-12-14 18:56:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-14 18:56:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:56:27,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:27,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2022-12-14 18:56:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-12-14 18:56:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:56:27,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2022-12-14 18:56:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-12-14 18:56:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:56:27,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2022-12-14 18:56:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-14 18:56:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:56:27,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2022-12-14 18:56:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-12-14 18:56:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:56:28,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2022-12-14 18:56:28,397 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-12-14 18:56:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:56:28,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:28,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2022-12-14 18:56:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2022-12-14 18:56:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 18:56:28,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:28,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2022-12-14 18:56:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-12-14 18:56:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 18:56:29,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2022-12-14 18:56:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-12-14 18:56:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 18:56:29,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 72 transitions. [2022-12-14 18:56:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-12-14 18:56:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 18:56:29,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:29,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:29,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 86 transitions. [2022-12-14 18:56:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-12-14 18:56:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 18:56:29,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:29,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 86 transitions. [2022-12-14 18:56:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-12-14 18:56:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:56:29,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:29,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-12-14 18:56:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 85 transitions. [2022-12-14 18:56:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-12-14 18:56:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 18:56:30,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 99 transitions. [2022-12-14 18:56:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-12-14 18:56:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 18:56:30,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:31,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 111 transitions. [2022-12-14 18:56:31,067 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2022-12-14 18:56:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 18:56:31,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:31,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 122 transitions. [2022-12-14 18:56:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2022-12-14 18:56:31,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 18:56:31,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:31,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:31,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 87 states and 132 transitions. [2022-12-14 18:56:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2022-12-14 18:56:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 18:56:31,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:31,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 92 states and 141 transitions. [2022-12-14 18:56:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2022-12-14 18:56:32,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 18:56:32,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:32,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 149 transitions. [2022-12-14 18:56:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2022-12-14 18:56:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 18:56:32,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:32,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 102 states and 156 transitions. [2022-12-14 18:56:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2022-12-14 18:56:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 18:56:33,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:33,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 107 states and 162 transitions. [2022-12-14 18:56:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2022-12-14 18:56:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 18:56:33,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:33,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 18:56:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 108 states and 163 transitions. [2022-12-14 18:56:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2022-12-14 18:56:34,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:56:34,468 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2022-12-14 18:56:34,475 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 18:56:34,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:56:34 ImpRootNode [2022-12-14 18:56:34,629 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:56:34,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:56:34,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:56:34,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:56:34,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:56:26" (3/4) ... [2022-12-14 18:56:34,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:56:34,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-12-14 18:56:34,638 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 18:56:34,638 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 18:56:34,638 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:56:34,638 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:56:34,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:56:34,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:56:34,660 INFO L158 Benchmark]: Toolchain (without parser) took 8558.74ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 86.2MB in the beginning and 48.6MB in the end (delta: 37.6MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2022-12-14 18:56:34,660 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:56:34,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.81ms. Allocated memory is still 117.4MB. Free memory was 86.2MB in the beginning and 76.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:56:34,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.22ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:56:34,661 INFO L158 Benchmark]: Boogie Preprocessor took 13.73ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.0MB in the end (delta: 918.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:56:34,661 INFO L158 Benchmark]: RCFGBuilder took 195.99ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 64.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:56:34,661 INFO L158 Benchmark]: CodeCheck took 8128.55ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 64.0MB in the beginning and 50.6MB in the end (delta: 13.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2022-12-14 18:56:34,662 INFO L158 Benchmark]: Witness Printer took 29.77ms. Allocated memory is still 155.2MB. Free memory was 50.6MB in the beginning and 48.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:56:34,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1761 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1629 mSDsluCounter, 1402 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 3078 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8649 IncrementalHoareTripleChecker+Invalid, 11727 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3078 mSolverCounterUnsat, 1198 mSDtfsCounter, 8649 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12521 GetRequests, 12335 SyntacticMatches, 6 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12861 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1258 ConstructedInterpolants, 0 QuantifiedInterpolants, 2492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 2948/4763 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.81ms. Allocated memory is still 117.4MB. Free memory was 86.2MB in the beginning and 76.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.22ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.73ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.0MB in the end (delta: 918.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 195.99ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 64.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8128.55ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 64.0MB in the beginning and 50.6MB in the end (delta: 13.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 29.77ms. Allocated memory is still 155.2MB. Free memory was 50.6MB in the beginning and 48.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:56:34,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5631d3c2-5577-46a3-9400-95d42bc89934/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE